Are you installing to the or the main directory? Is your game on an SSD or a traditional HDD ?
If your ASI plugins are outdated or uninstalled, the Package Installer can sometimes glitch out. In OpenIV, go to .
In many cases, OpenIV isn't actually "frozen"—it is performing a massive "rebuild" of an RPF file. During this time, the Windows UI might say "Not Responding." openiv package installer taking forever best
Before diving into fixes, it helps to understand what is happening under the hood. OpenIV doesn't just "copy" files; it decompresses archives, modifies existing .rpf files (which are often several gigabytes), and re-compresses them. 1. Massive File Sizes
If the progress bar is moving but at a snail's pace, your antivirus is likely the culprit. Go to . Are you installing to the or the main directory
Here is the definitive guide on why OpenIV is taking forever and how to speed up the process. Why the OpenIV Package Installer Slams to a Halt
I can give you more specific steps once I know the scale of the mod you're working with! In OpenIV, go to
Because OpenIV modifies executable-adjacent archives (.rpf), Windows Defender often views this as "suspicious activity." It may begin scanning every single tiny file being moved, which throttles your disk usage to 100% and slows the installation to a crawl. Best Ways to Fix a Hanging OpenIV Installer Run as Administrator (The Golden Rule)
Turn off for 5 minutes while the mod installs.